CGS 2060 FSU - Midterm
A type of computer drive that writes and reads data using lasers
optical drive
processor has just one core
single-core
High definition displays
1080 horizontal line of pixels
company technology is featured inside every major next-generation gaming console and home entertainment system: Microsoft Xbox One, Sony's PS4, and Nintendo's Wii U
AMD
can store the most information
Blu-ray RW
provides short distance wireless communication between electronic devices using extremely low power radio signals
Bluetooth
the amount of data that can be transmitted at a given time
Bus width
Each number, a special character, and letter of the alphabet is represented as a byte
Byte
Equal to 8 bits
Byte
cannot be erased or re-recorded
CD ROM
optical drive
CD drive/port
computer processor. Brain of the computer. Located on the motherboard of the computer
CPU
select all
CTRL+A
start menu
CTRL+ESC
CTRL+P
save
CTRL+S
underline
CTRL+U
paste
CTRL+V
cut
CTRL+X
undo
CTRL+Z
fingerprint scanners are the most common biometric identification devices
Capacitance
dictates how many instructions can be processed each second by the CPU
Clock speed
o Web server o File sever o Network server
Common Severs
High resolution with interchangeable lens capability
DSLR or mirrorless
can be erased and re-recorded on multiple times
DVD RW
memory used to increase a hard drives efficiency
Disk cache
using a stylus and touchpad to map the signature and also measure pressure, pen angle, pen up/down, speed, etc., is known as what type of signature recognition
Dynamic
o Laptops o Desktops o All in ones o Tablets o Smartphones o Mainframes o Servers o Gaming consoles o Embedded devices
Examples of computers
o feature charting o 3D mapping o Skin texture
Facial recognition
o Highly portable o Smaller OS o Includes touchscreen o Cannot upgrade RAM
Features of a tablet computer
number of times per second a frame in a video is advanced
Frame rate
1 billion bytes
Gigabyte
equal to one billion cycles per second
Gigahertz
The port/ connector combination that is use for nearly all high definition television or computer connections
HDMI
equals one cycle per second
Hertz
a standard interface for audio-video connectivity which allows for the transmission of high-definition audio and video signals
High-definition multimedia interface
accepting data
Input
o Recording a song using MIDI o Putting a video from your phone onto your computer o Entering text in a word processing program o Game controller o Keyboard o Microphone o Mouse
Input
♣ Keyboard ♣ Mouse ♣ Touchscreen ♣ Touchpad ♣ Camera ♣ Microphone ♣ Game controller
Input devices
world's largest manufacturer of processors
Intel
1 thousand bytes
Kilobyte
a channel over which information flows inside a computer
L
memory located directly in the processor itself
L1 cache
memory located next to the processor
L3 cache
The technology that allows a computer to serve as a sound studio
MIDI
Fetch, decode, execute, and store
Machine cycle
high-resolution
Many DSLRs have full (35mm) sensor arrays enabling photographers to taxes extremely
1 million bytes
Megabyte
equal to one million cycles per second
Megahertz
• two or more cores on a processor
Multicore
o Near filed communication o Uses magnetic field induction o Apple pay, google wallet and android pay
NFC
short range wireless technology used for data transfer and electronic payments
NFC
produces popular mobile device processors
NVidia
maximum resolution of a display device
Native
his function refers to displaying the information
Output
o Displaying a YouTube video on a TV screen o Playing a song from Spotify o A spreadsheet printout o Speaker o Projector o Printer o Monitor
Output
running the processor faster than recommended by the manufacturer
Overclocking
1,000 terabytes of data
Petabyte
smallest element of an image
Pixel
Ease of use with some optical zoom capability
Point and Shoot
Use the same technology as smartphone cameras. Incoming light is focused on active pixel sensor array
Point and shoot digital cameras
♣ Can have a bigger sensor array = high resolution ♣ Can have an extending lens = optical lens
Point and shoot digital cameras
a computer does this to transform data into information
Process
Most keyboards have the letters in a rather strange arrangement. Because of this layout, they're referred to as
QWERT
is actually storage since it retains data and information when the power has been turned off
ROM (read-only memory)
clarity of an image
Resolution
o Front and rear facing cameras o Led flash capability o Video capability
Smart phone camera features
o Motion sensors o Microphone o Buttons and/or switches
Smart phone input devices
all electronic storage devices that are used in a variety of products including smartphones, cameras, and tablet computers. SSDs have no moving parts, which makes them faster and more durable than hard drives
Solid state drives (SSD)
to keep data for future use
Store
Ease of use with high optical zoom capability
Superzoom
1 trillion bytes
Terabyte
o Device is powered on and the CPU activates BIOS o The Power-On Self-Test is executed o The OS is loaded into RAM o The OS checks the registry setting and loads saved configuration setting
The Boot Process
MEMS chip
The technology that allows relatively high-quality sound to come from tiny devices such as hearing aids and smartphones
o Everyone must have the trait o The trait must not change over time o The trait must be measurably different with each person
Trait useful for biometric recognition
a coding standard using at least 16 bits to represent a character of information
Unicode
Popular in the 1990s, the blue port in the image is used to connect computers to monitors or televisions
VGA
amount of data a processor can hold and process at one time
Word size
Represented by a 0 or a 1, the smallest unit of data a computer can process
bit
two factors that impact a processor's
clock speed and bus width
A digital device that accepts input, process data into information, stores data and provides output
computer
The specialized end of a cord, plug or expansion card that connects into a
connector
A description of the difference in the luminance of displays white pixels compared to the lack pixels
contrast ratio
to reduce the time, it takes to find files on a hard drive
defragment
a good choice for gamers who want to be able to expand its capabilities and for families with children who might drop a laptop
desktop
Memory, such as RAM or cache, has no moving parts
electronic (solid state)
A method of identification that is valuable because it can be used at night or through walls with infrared cameras or even with satellite imagery
gait
Typical hard drive capacities would be measured in
gigabytes & terabytes
video card
graphics adapter
a peripheral such as a keyboard or a mouse
input device
To read pits and lands, optical storage devices
lasers
Most cellphone cameras do not have
optical zoom
resolution remains the same when focusing on distant objects
optical zoom
Items that can be connected to a digital device
peripherals
♣ Printers ♣ Monitors ♣ Game controllers ♣ Keyboards
peripherals
o Scale o Magnetic ink character reader (MICR) o Touchscreen
point of sale system
A cell phone that allows you to surf the web
smartphone
Desktop computers are stationary devices that consist of a separate case
system unit
They are inexpensive and reliable
thumb drives (USB or flash drives)
The pointing device found on nearly all laptops
trackpad
